1-x/5≤x/15 3x-x+2/4>2x-5/6
问题描述:
1-x/5≤x/15 3x-x+2/4>2x-5/6
答
1-x/5≤x/15
3(1-x)≤x
3/4≤x
3x-x+2/4>2x-5/6
3(3x-x+2)>2(2x-5)
6x+6>4x-10
2x>-16
x>-8